LGTCO/LGTF Exit Exam • Set 7 Question 9 of 30
What is the correct purpose of the high-high tank pressure alarm in gas tanker operations?
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Direct Answer
Option B: warns before pressure reaches unsafe limits
The high-high pressure alarm provides an urgent alert before tank pressure approaches the relief valve set point or maximum allowable design limits.
All Options
A
to disable safety interlocks during routine work
B
warns before pressure reaches unsafe limits
(Correct Answer)
C
to increase tank pressure for faster loading
D
to replace crew communication
Detailed Explanation & Context
The high-high pressure alarm provides an urgent alert before tank pressure approaches the relief valve set point or maximum allowable design limits.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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